set e

octave/install.sh

@@ -1,5 +1,8 @@
 #! /bin/bash
 
+# exit if a command fails
+set -e
+
 # install octave 3.6.2
 apt-get update && apt-get install -y octave
 

opencv/install.sh

@@ -1,5 +1,8 @@
 #! /bin/bash
 
+# exit if a command fails
+set -e
+
 opencv_version="3.0.0-beta"
 opencv_deps=(libopencv-dev yasm libtiff4-dev libjpeg-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libdc1394-22-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev python-dev python-numpy libtbb-dev libqt4-dev libgtk2.0-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils ffmpeg pkg-config)
 install_deps=(curl build-essential checkinstall cmake)

rust/install.sh

@@ -1,5 +1,8 @@
 #! /bin/bash
 
+# exit if a command fails
+set -e
+
 triple=x86_64-unknown-linux-gnu
 
 # install curl (needed to install rust)